Temperature effects from hydropeaking impair egg and larval development in Danube salmon Hucho hucho and brown trout Salmo trutta
Julius Gorenz, Elisabeth Winter, Joachim Pander, Juergen Geist · 2026
Read Temperature effects from hydropeaking impair egg and larval development in Danube salmon Hucho hucho and brown trout Salmo trutta by Julius Gorenz, Elisabeth Winter, Joachim Pander, Juergen Geist (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13521711.txt.
Description
Julius Gorenz and co-authors show how power plant surges harm fish eggs and larvae in rivers, in a 2026 study. Hydropeaking means dams release water in pulses for electricity demand. River levels then rise and fall within hours. Salmonid eggs buried in gravel can be left dry. Two prized species spawn in different seasons.
Brown trout spawn in fall, while Danube salmon spawn in spring. Field trials tracked egg-to-fry survival under real peaking regimes. Longer drying meant more overheating and freezing damage. Survival fell as exposure grew. The authors urge slower ramp rates from dams. Keeping spawning gravel covered is the other key fix. River managers gain concrete targets for operating rules.
Catalog record
| CREATOR | Julius Gorenz, Elisabeth Winter, Joachim Pander, Juergen Geist |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 18 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |